Best time to swim in Turku in Finland Sea temperature by month

Do you want to swim in the sea in Turku in Finland? But when is the best time to go to be sure to have pleasant water for swimming in Turku and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Turku, based on the average temperatures recorded in previous years.

Best time to swim in Turku: the water temperature by month

Do you feel like swimming in Turku in Finland? Discover the average sea temperature for each month of the year (based on previous years' data) and our opinion on swimming in the table below. For more information on the sea temperature of a specific month, click on the month's name in the table.

Month Sea temperature
January 33°F (min: 29°F/max: 38°F)
February 32°F (min: 31°F/max: 33°F)
March 32°F (min: 31°F/max: 33°F)
April 33°F (min: 30°F/max: 36°F)
May 40°F (min: 29°F/max: 49°F)
June 49°F (min: 35°F/max: 62°F)
July 55°F (min: 37°F/max: 73°F)
August 55°F (min: 36°F/max: 75°F)
September 51°F (min: 33°F/max: 69°F)
October 44°F (min: 33°F/max: 56°F)
November 40°F (min: 31°F/max: 50°F)
December 36°F (min: 29°F/max: 43°F)

Water temperature variation in Turku throughout the year

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